对QT中按钮类的部分功能翻译了一下，我在编程过程中有很大帮助，现在拿出来分享一下-Button on the QT in some functional categories of translation, then, I course in the program are very helpful, and now to share out

The QToolButton class provides a quick-access button to commands or options, usually used inside a QToolBar for Linux.

从QTreeWidget中拖拽一项或直接拖拽一个QToolButton到QGraphicsView中进行显示。(Drag an item from QTreeWidget or Drag a QToolButton directly to QGraphicsView.)